Yamaha Clamp - 90465-12M25-00. Reliable Yamaha Clamp for Secure and Efficient Component Fitting. The Yamaha Clamp - 90465-12M25-00 is an essential part designed to provide a strong and durable solution for securing components on your Yamaha equipment. Engineered with precision, this clamp ensures that your parts remain securely fastened, even under heavy use. Whether you're conducting regular maintenance or replacing a worn-out component, this clamp is the ideal choice for keeping your equipment